Police crack 1984 cold case

DNA and genetic genealogy have linked a Navy man to the 1984 murder of his classmate, 25-year-old Pamela Cahanes, authorities announced Thursday.
1:15 | 03/16/19

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Transcript for Police crack 1984 cold case
A metro komando on Miami Beach a decades old cold case finally cracked right here in Florida. The suspected killer now behind bars. It was 1984 when the body of Pamela Kahane a 25 year old navy recruit was found dumped outside an abandoned home in Sanford Florida she'd been beaten. And strangled. The case going unsolved for years until investigators turn to the new technology used to track down the it there was Golden State killer. Investigators uploading crime scene DNA to a genealogy database which led them to 59 year old Thomas Lewis corner in 1984. He was stationed at the Orlando naval training center like the holidays. Police trail donor until he discarded something bearing his DNA he was eventually arrested at his apartment in Jacksonville. Pamela congress is failing thought this day would never come they also tell us that the detective on the case had her picture on her desk and promised not to take it off. Until it was solved. 34 years later. Thomas Gartner has been charged with first degree murder you're watching ABC news life.

This transcript has been automatically generated and may not be 100% accurate.

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